upstream O2 sensor bank 1 diagram on 2003 Jaguar X-Type

I need to replace both O2 sensors for upstream bank 1 but not too sure exactly which sensor, please supply picture diagram, thanks

by in Palmdale, CA on June 08, 2011
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1 answer
ANSWER by , June 08, 2011
I have no picture or diagram. The upstream O2 sensors are before the catalytic converters and the downstream sensors are behind them. I believe that the upstream sensors are in the exhaust manifolds. You'll have to look for yourself. Bank one is the side of the engine that has #1 cylinder, FYI. If you need more information, here are two online sources for you: For AllData: For Mitchell: d pictures, here are some resources for you: